Maybe the .def is wrong. I got 1.3.6.1.4.1.9.5.1.4.1.1.4 for IF alias in mine, but I've seen one using 1.3.6.1.4.1.9.2.2.1.1.28. Maybe this one works better? Just edit 1.3.6.1.4.1.9.1.694.def for testing. Pls let me know if it does...